Antipope Alexander V

Antipope Alexander V
Michel Wolgemut, Wilhelm Pleydenwurff (Hartmann Schedel, editor) · Public domain · source
Name	Alexander V (antipope)
Birth name	Pietro Rainalducci
Born	c. 1339
Birth place	Pisa, Republic of Pisa
Died	3 May 1410
Death place	Bologna, Papal States
Term start	26 June 1409
Term end	3 May 1410
Predecessor	Pope Gregory XII (Roman line)
Successor	John XXIII (antipope)

Antipope Alexander V was a Roman Catholic cleric who, during the Western Schism, was proclaimed pope by the Council of Pisa (1409), establishing one of the schismatic papal claimants in opposition to the Roman and Avignon obediences. Born Pietro Rainalducci in Pisa, he rose through ecclesiastical ranks in the dioceses of Parma and Reggio Emilia and became notable for his role at the Council of Pisa (1409), his brief pontificate from 1409 to 1410, and the controversies surrounding his election, policies, and burial.

Early life and ecclesiastical career

Pietro Rainalducci was born circa 1339 in Pisa into a family active in the civic life of the Republic of Pisa. He studied canon law at the University of Bologna and the University of Paris, forming connections with clerics and jurists associated with the Curia and the papal chancery. Rainalducci served in several ecclesiastical posts, including prebends and cathedral offices in the dioceses of Lucca, Siena, and Bologna, and was appointed as a protonotary by officials linked to the papal court in Avignon and Rome. He later became Archdeacon of Lucca and held positions that brought him into contact with cardinals aligned with the Roman and Avignon Papacy factions. His administrative experience and legal training made him a recognized figure among advocates for conciliar solutions to the schism that had divided supporters of Pope Urban VI's successors and the line of Clement VII (Avignon).

Election and claim to the papacy

In 1409 the Council of Pisa (1409), convened by a coalition of cardinals and supported by secular rulers including King Rupert of Germany and the Republic of Venice, sought to end the Western Schism. The council declared the two reigning claimants, Pope Gregory XII (Roman) and Antipope Benedict XIII (Avignon), deposed for contumacy and attempted to elect a mutually acceptable pope. Amid negotiations among participating cardinals from the Roman and Avignon obediences, Pietro Rainalducci emerged as a compromise candidate acceptable to influential figures such as Cardinal Baldassarre Cossa and members of the College of Cardinals present. On 26 June 1409 the council elected Rainalducci, who took the name Alexander V, asserting that the council possessed authority derived from precedents like the Council of Constance debates and writings by canonical scholars from the University of Bologna and University of Paris faculties. His election was contested by supporters of Gregory XII and Benedict XIII, producing a threefold papal division that prolonged schismatic tensions across Europe.

Policies and actions as antipope

As pontiff recognized by the Pisan obedience, Alexander V sought to assert jurisdictional reform and to regulate appointments to benefices in contested sees such as Naples, France, and Spain. He issued bulls addressed to monarchs including King Henry IV of England and Charles VI of France and attempted to reconcile factions by confirming episcopal nominations in dioceses like Milan, York, and Toledo. Alexander V endorsed initiatives to discipline clergy and supported statutes modeled on the legal traditions of the Corpus Juris Canonici and the decretists of the University of Bologna. He also engaged with monastic orders, granting privileges to houses of the Dominican Order and Franciscan Order and intervening in disputes involving abbeys such as Monte Cassino and Cluny. His pontificate attempted to balance diplomatic outreach to secular princes with efforts to strengthen the administrative capacities of the Pisan curia.

Relations with secular and church authorities

Alexander V’s support base included cardinals like Baldassarre Cossa and secular rulers who viewed a Pisan papacy as a means to stabilize Christendom. He negotiated with representatives of the Holy Roman Empire, the Kingdom of England, and the Crown of Aragon to secure recognition, while facing resistance from adherents of Pope Gregory XII in Rome and Italy and supporters of Antipope Benedict XIII in Avignon and Castile. His interactions with municipal governments—Venice, Florence, and Bologna—were driven by concerns over ecclesiastical revenues, jurisdictional immunities, and the appointment of bishops. Ecclesiastical elites at universities such as Oxford and Paris debated the legitimacy of his election, invoking canonical authorities like Pope Boniface VIII and jurists from the Glossators tradition.

Deposition, death, and succession

Alexander V’s claim remained disputed and never secured universal recognition; both Gregory XII and Benedict XIII continued to claim the papacy. He died suddenly on 3 May 1410 in Bologna under circumstances that later historians and polemicists debated, with some accounts alleging illness and others suggesting political intrigue involving figures such as Baldassarre Cossa. After his death the Pisan cardinals elected Baldassarre Cossa as his successor, who took the name John XXIII (antipope), perpetuating the Pisan line. The unresolved multiplicity of claimants contributed to the summoning of the Council of Constance (1414–1418), which ultimately addressed questions of legitimacy, deposition, and papal election.

Legacy and historical assessment

Historians assess Alexander V as a transitional figure whose brief pontificate exemplified the complexity of the Western Schism and the challenges facing conciliar solutions. Scholarship situates his election within debates over conciliarism, referencing canonical arguments by scholars at the University of Paris, the impact on dynastic politics involving the Valois and Plantagenet houses, and the administrative precedents his curia attempted to set for contested benefices across Europe. His tenure influenced the trajectory of the Pisan obedience and provided context for reforms enacted at the Council of Constance regarding papal authority and ecclesiastical unity. Modern studies in works on the Papal States, medieval canon law, and the history of conciliarism continue to evaluate his role in the late medieval church’s institutional crises.

Category:Antipopes Category:14th-century births Category:1410 deaths